import 'package:flutter/material.dart';
import 'package:flutter_app/app/routes/app_pages.dart';
import 'package:flutter_app/loginForm.model.dart';
import 'package:get/get.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return GetMaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      getPages: AppPages.routes,
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {

  var _formKey = GlobalKey();
  var _usernameController = TextEditingController();
  var _passwordController = TextEditingController();

  var _loginForm = LoginForm(userName: "", password: "", loading: false).obs;


  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: Column(
          // Column is also a layout widget. It takes a list of children and
          // arranges them vertically. By default, it sizes itself to fit its
          // children horizontally, and tries to be as tall as its parent.
          //
          // Invoke "debug painting" (press "p" in the console, choose the
          // "Toggle Debug Paint" action from the Flutter Inspector in Android
          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
          // to see the wireframe for each widget.
          //
          // Column has various properties to control how it sizes itself and
          // how it positions its children. Here we use mainAxisAlignment to
          // center the children vertically; the main axis here is the vertical
          // axis because Columns are vertical (the cross axis would be
          // horizontal).
          mainAxisAlignment: MainAxisAlignment.center,

          children: <Widget>[
            Form(
                key: _formKey,
                child: Padding(
                  padding: EdgeInsets.only(left: 48, right: 48),
                  child: Column(
                    children: [
                      TextFormField(
                        controller: _usernameController,
                        decoration: const InputDecoration(labelText: "工号："),
                        validator: (value) {
                          if (value == null || value.isEmpty) {
                            return "请输入工号";
                          }
                          return null;
                        },
                        onChanged: (value) => _loginForm().userName = value,
                      ),
                      TextFormField(
                        controller: _passwordController,
                        obscureText: true,
                        decoration: const InputDecoration(labelText: "密码："),
                        validator: (value) {
                          if (value == null || value.isEmpty) {
                            return "请输入密码";
                          }
                          return null;
                        },
                        onChanged: (value) => _loginForm().password = value,
                      ),
                      Container(
                        margin: EdgeInsets.only(top: 16),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.end,
                          children: [
                            ElevatedButton(
                                onPressed: () {
                                  print("${_loginForm().userName}:${_loginForm().password}");
                                  Get.toNamed(Routes.HOME);
                                },
                                child: const Text("Login")
                            )
                          ],
                        ),
                      )
                    ],
                  ),
                )
            )
          ],
        ),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}
